From ccfed654dfe5e2046a94cb47d844650784b9cd73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=82=8D=E3=82=80=E3=81=AD=E3=81=93?= <nem@nem.x0.to>
Date: Thu, 25 Jan 2024 12:07:48 +0900
Subject: [PATCH] =?UTF-8?q?=E3=83=95=E3=82=A9=E3=83=AB=E3=83=80=E3=81=AE?=
 =?UTF-8?q?=E4=B8=80=E8=A6=A7=E3=82=92=E5=8F=96=E5=BE=97=E3=81=99=E3=82=8B?=
 =?UTF-8?q?=E3=83=A1=E3=82=BD=E3=83=83=E3=83=89=E4=BD=9C=E6=88=90?=
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---
 .../one/nem/lacerta/data/LacertaLibrary.java  |  3 +++
 .../lacerta/data/impl/LacertaLibraryImpl.java | 25 +++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
index c5957e8b..eb11e289 100644
--- a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
+++ b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
@@ -20,6 +20,9 @@ public interface LacertaLibrary {
     CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit);
     CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit, int offset);
 
+    // Get Folder List
+    CompletableFuture<ArrayList<ListItem>> getFolderList(String parentId);
+
     // Create Folder
     CompletableFuture<String> createFolder(String parentId, String name);
 
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
index 5067f701..139cf2bf 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
@@ -127,6 +127,31 @@ public class LacertaLibraryImpl implements LacertaLibrary {
         });
     }
 
+    @Override
+    public CompletableFuture<ArrayList<ListItem>> getFolderList(String parentId) {
+        return CompletableFuture.supplyAsync(() -> {
+            List<FolderEntity> folderEntities;
+            if (parentId == null) { // When root folder
+                folderEntities = database.folderDao().findRootFolders();
+            } else {
+                folderEntities = database.folderDao().findByParentId(parentId);
+            }
+
+            ArrayList<ListItem> listItems = new ArrayList<>();
+            for (FolderEntity childFolderEntity : folderEntities) {
+                logger.debug("LacertaLibraryImpl", "childFolderEntity.name: " + childFolderEntity.name);
+                ListItem listItem = new ListItem();
+                listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
+                listItem.setTitle(childFolderEntity.name);
+                listItem.setDescription("フォルダ"); // TODO-rca: ハードコーディングやめる
+                listItem.setItemId(childFolderEntity.id);
+                listItems.add(listItem);
+            }
+
+            return listItems;
+        });
+    }
+
     @Override
     public CompletableFuture<String> createFolder(String parentId, String name) {
         return CompletableFuture.supplyAsync(() -> {